A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.
Classification: Safety or relief valves
NSN 6240-00-243-5796
NSN 5950-01-525-1909
NSN 5910-00-832-6925
NSN 5965-00-499-7527
NSN 5895-00-227-4752
NSN 6610-01-242-9674
NSN 5915-00-675-5949
NSN 5920-01-135-5486
NSN 5990-01-074-6549
NSN 6685-01-387-9084
NSN 6105-01-044-4993
NSN 6135-01-437-7741